railroad vs furnish

railroad is a noun but furnish is not a noun.

Word	Noun	Adjective	Verb	Adverb
railroad	Yes	No	Yes	No
furnish	No	No	Yes	No

As verbs, furnish is a hypernym of railroad; that is, furnish is a word with a broader meaning than railroad:

Other hypernyms of railroad include offer, provide, render, supply.

railroad (noun)	furnish (noun)
line that is the commercial organization responsible for operating a system of transportation for trains that pull passengers or freight
a line of track providing a runway for wheels

railroad (verb)	furnish (verb)
transport by railroad	give something useful or necessary to
supply with railroad lines	provide or equip with furniture
compel by coercion, threats, or crude means